62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 512 Google reviews, listed on Google as “Swimming pool contractor”.
Best Pool Builders in Union, NJ (2026)
479 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Union: LEM-US POOLS, CR Score 62/100; 4.9★ from 512 Google reviews; open 7 days a week.
- 7
Best for emergencies (open 24/7): Swimming Pool Repair In ground above ground, posts 24/7 hours; ranked #7 of 479.
- 5
Most-reviewed: Central Jersey Pools Patio & More, 864 Google reviews at 4.8★, the most of 479 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
479 Union pool builders are ranked here by CR Score, from ten published factors. 28 are open 24/7, 298 open Saturdays and 132 open Sundays, based on posted hours. The median Google rating is 4.6★ across 479 rated businesses.
Top 10 pool builders in Union at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | LEM-US POOLS | 62 | 4.9★ (512) | Hawthorne, 19 mi away | Sat · Sun | Overall |
| 2 | Sun Pools | 62 | 4.8★ (344) | Piscataway, 14 mi away | Sat · Sun | — |
| 3 | AAA Liner Replacements Corp DBA Best Pool Liners | 61 | 4.6★ (289) | Piscataway, 5 mi away | Sat · Sun | — |
| 4 | The Pool Guyz LLC | 61 | 4.8★ (170) | Livingston, 9 mi away | Sat · Sun · Evenings | — |
| 5 | Central Jersey Pools Patio & More | 61 | 4.8★ (864) | Freehold, 29 mi away | Sat · Sun · Evenings | Most reviews |
| 6 | Pool Doctor Contractors Inc | 61 | 4.7★ (541) | Staten Island, 12 mi away | Sat | — |
| 7 | Swimming Pool Repair In ground above ground | 61 | 4.9★ (102) | Hackensack, 18 mi away | 24/7 | Emergencies |
| 8 | Express Pool Service Corp | 60 | 4.9★ (177) | Staten Island, 7 mi away | Sat | — |
| 9 | Wizard of Pools Inc | 60 | 5.0★ (80) | East Elmhurst, 20 mi away | 24/7 | — |
| 10 | Pool Company NJ Renovations Closings | 60 | 4.8★ (55) | Montclair, 10 mi away | 24/7 | — |
The 479 best pool builders in Union, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Sun Pools
Based in Piscataway, 14 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 344 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Piscataway, 5 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 289 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Livingston, 9 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 170 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Freehold, 29 mi away
61/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 864 Google reviews, the most in Union.
Based in Staten Island, 12 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 541 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Hackensack, 18 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Staten Island, 7 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 177 Google reviews, listed on Google as “Swimming pool contractor”.
Based in East Elmhurst, 20 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Montclair, 10 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 55 Google reviews, listed on Google as “Swimming pool repair service”.
Based in Randolph, 23 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 558 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Long Island City, 19 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Staten Island, 11 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 87 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Marlboro, 27 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 190 Google reviews, listed on Google as “Swimming pool repair service”.
#15 Coversafe, Inc.
Based in Little Ferry, 16 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 515 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Springfield, 2 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 111 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Staten Island, 13 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 119 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Staten Island, 12 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.5★ from 183 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Rahway, 6 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 164 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Staten Island, 8 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 160 Google reviews, listed on Google as “Swimming pool contractor”.
#21 Lifeguard LI
Based in Glen Cove, 35 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “Swimming pool contractor”.
Based in Staten Island, 8 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 62 Google reviews, listed on Google as “Swimming pool contractor”.
Based in North Haledon, 18 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 88 Google reviews, listed on Google as “Swimming pool contractor”.
#24 Those Pool Dudes
Based in Staten Island, 9 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “Swimming pool repair service”.
Based in East Brunswick, 20 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.3★ from 439 Google reviews, listed on Google as “Swimming pool contractor”.
Pool builders ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 479 ranked pool builders here; the rest are on their profiles.
Also serving Union
20 more pool builders within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| All In One Pool Services Inc | 5.0★ (2) | 27 mi |
| Aquatic Service Inc | 5.0★ (2) | 18 mi |
| Azureon | 5.0★ (2) | 16 mi |
| BlueIQ Pools | 5.0★ (2) | 17 mi |
| D'Sapone Restorations | 5.0★ (2) | 16 mi |
| Distinctive Poolscapes LLC | 3.0★ (2) | 24 mi |
| Ditomaso Landscape Group | 3.0★ (2) | 23 mi |
| GD Group | 5.0★ (2) | 13 mi |
| Horizon Aquatics, LLC | 5.0★ (2) | 21 mi |
| Hyperion Pools LLC | 5.0★ (2) | 17 mi |
| John Mastropiero Inc. | 5.0★ (2) | 8 mi |
| Jr Excavating & Pools Llc | 5.0★ (2) | 25 mi |
| Milt Rehain Construction | 3.0★ (2) | 26 mi |
| Old World Llc | 5.0★ (2) | 27 mi |
| PM Pool Service | 4.0★ (2) | 3 mi |
| Pool Raiders NJ | 1.0★ (2) | 7 mi |
| Schneider Pool Construction | 5.0★ (2) | 17 mi |
| SEA SPIRIT POOLS | 4.0★ (2) | 15 mi |
| Sibi Pool Services | 3.0★ (2) | 22 mi |
| TicoLands Enterprises LLC | 4.3★ (18) | In Union |
How we ranked Union pool builders
We scored 479 Union pool builders on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Union data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Pool builders in Union: frequently asked questions
Who is the best pool builder in Union?
By CR Score, the highest-ranked pool builder in Union, NJ is LEM-US POOLS with a CR Score of 62/100. It has 4.9★ from 512 Google reviews. It is open 7 days a week. Sun Pools (#2) and AAA Liner Replacements Corp DBA Best Pool Liners (#3) follow. We ranked 479 pool builders on ten factors, last updated November 3, 2026.
How many pool builders are there in Union?
ContractorsRanked ranks 479 pool builders serving Union, NJ. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which pool builders in Union are open 24/7?
28 ranked pool builders in Union post 24/7 hours. The highest-ranked are Swimming Pool Repair In ground above ground (#7), Wizard of Pools Inc (#9) and Pool Company NJ Renovations Closings (#10). Lifeguard LI (#21) also lists emergency service. Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pool builders in Union work on weekends?
298 of 479 ranked pool builders post Saturday hours and 132 post Sunday hours. The highest-ranked open Saturdays are LEM-US POOLS (#1), Sun Pools (#2) and AAA Liner Replacements Corp DBA Best Pool Liners (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Union pool builders have?
The median Google rating among 479 rated pool builders in Union is 4.6★, with a median of 24 reviews. Central Jersey Pools Patio & More has the most, 864 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank pool builders?
Each pool builder gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do pool builders outside Union count in this ranking?
Yes, if they are within 40 mi of the Union city center, our service radius for pool builders. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can pool builders pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Union
- November 2026: CR Scores recalculated for 479 pool builders serving Union.
- November 2026: 4 duplicate listings merged.
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